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Smart Approaches to Food Waste Final Disposal

Author

Listed:
  • Franco Cecchi

    (Department of Biotechnology, University of Verona, Strada le Grazie 15, 37134 Verona, Italy)

  • Cristina Cavinato

    (Department of Environmental Sciences, Informatics and Statistics, University Ca’ Foscari of Venice, Campus Scientifico via Torino 155, 30172 Mestre, Venice, Italy)

Abstract

Food waste, among the organic wastes, is one of the most promising substrates to be used as a renewable resource. Wide availability of food waste and the high greenhouse gas impacts derived from its inappropriate disposal, boost research through food waste valorization. Several innovative technologies are applied nowadays, mainly focused on bioenergy and bioresource recovery, within a circular economy approach. Nevertheless, food waste treatment should be evaluated in terms of sustainability and considering the availability of an optimized separate collection and a suitable treatment facility. Anaerobic codigestion of waste-activated sludge with food waste is a way to fully utilize available anaerobic digestion plants, increasing biogas production, energy, and nutrient recovery and reducing greenhouse gas (GHG) emissions. Codigestion implementation in Europe is explored and discussed in this paper, taking into account different food waste collection approaches in relation to anaerobic digestion treatment and confirming the sustainability of the anaerobic process based on case studies. Household food waste disposal implementation is also analyzed, and the results show that such a waste management system is able to reduce GHG emissions due to transport reduction and increase wastewater treatment performance.

Suggested Citation

  • Franco Cecchi & Cristina Cavinato, 2019. "Smart Approaches to Food Waste Final Disposal," IJERPH, MDPI, vol. 16(16), pages 1-13, August.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:16:p:2860-:d:256481
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    References listed on IDEAS

    as
    1. Cavinato, Cristina & Bolzonella, David & Pavan, Paolo & Fatone, Francesco & Cecchi, Franco, 2013. "Mesophilic and thermophilic anaerobic co-digestion of waste activated sludge and source sorted biowaste in pilot- and full-scale reactors," Renewable Energy, Elsevier, vol. 55(C), pages 260-265.
    2. Mattioli, A. & Gatti, G.B. & Mattuzzi, G.P. & Cecchi, F. & Bolzonella, D., 2017. "Co-digestion of the organic fraction of municipal solid waste and sludge improves the energy balance of wastewater treatment plants: Rovereto case study," Renewable Energy, Elsevier, vol. 113(C), pages 980-988.
    3. Koch, Konrad & Helmreich, Brigitte & Drewes, Jörg E., 2015. "Co-digestion of food waste in municipal wastewater treatment plants: Effect of different mixtures on methane yield and hydrolysis rate constant," Applied Energy, Elsevier, vol. 137(C), pages 250-255.
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    Cited by:

    1. Sigrid Kusch-Brandt, 2020. "Towards More Sustainable Food Systems—14 Lessons Learned," IJERPH, MDPI, vol. 17(11), pages 1-8, June.
    2. Phemelo Tamasiga & Taghi Miri & Helen Onyeaka & Abarasi Hart, 2022. "Food Waste and Circular Economy: Challenges and Opportunities," Sustainability, MDPI, vol. 14(16), pages 1-30, August.
    3. Wen-Tien Tsai, 2020. "Turning Food Waste into Value-Added Resources: Current Status and Regulatory Promotion in Taiwan," Resources, MDPI, vol. 9(5), pages 1-11, April.
    4. Jing Wang & Bing Liu & Meng Sun & Feiyong Chen & Mitsuharu Terashima & Hidenari Yasui, 2022. "A Kinetic Model for Anaerobic Digestion and Biogas Production of Plant Biomass under High Salinity," IJERPH, MDPI, vol. 19(11), pages 1-20, June.
    5. Alina Zaharia & Maria-Claudia Diaconeasa & Natalia Maehle & Gergely Szolnoki & Roberta Capitello, 2021. "Developing Sustainable Food Systems in Europe: National Policies and Stakeholder Perspectives in a Four-Country Analysis," IJERPH, MDPI, vol. 18(14), pages 1-40, July.

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